Where does “ap” come from?

ap (Old Irish) comes from Latin abbās, from Ancient Greek ἀββᾶς, from Ancient Greek ἀββα, from Aramaic אבא, from Proto-Semitic ʔabw-, from Proto-Afroasiatic ʔab- — father.

ap (Old Irish): abbot; leader, lord

Definitions

abbot; leader, lord

Ancestry of “ap”, step by step

Step	Language	Word	Meaning
1	Latin	abbās	an abbot
2	Ancient Greek	ἀββᾶς	Alternative form of ἀββα; father
3	Ancient Greek	ἀββα	father; title of respect given to abbots
4	Aramaic	אבא	father, ancestor, progenitor; teacher; chief,...
5	Proto-Semitic	ʔabw-	father
6	Proto-Afroasiatic	ʔab-	father

Words derived from “ap”

apdaine
abdhaine

Every word from Proto-Afroasiatic ʔab- →Every word from Proto-Semitic ʔabw- →Every word from Aramaic אבא →